| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // 05/05/2009 Andrei Ilitchev |
| // - JPA 2.0 - OrderedList support. |
| package org.eclipse.persistence.testing.models.orderedlist; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Vector; |
| import java.io.StringWriter; |
| import java.math.BigDecimal; |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeEvent; |
| import org.eclipse.persistence.indirection.ValueHolder; |
| import org.eclipse.persistence.indirection.ValueHolderInterface; |
| import org.eclipse.persistence.descriptors.changetracking.*; |
| |
| public class Employee implements ChangeTracker { |
| // implements ChangeTracker for testing |
| |
| /** Primary key, mapped as a direct-to-field, BigDecimal -{@literal >} NUMBER, that makes use of sequence numbers to generate the id. */ |
| public BigDecimal id; |
| |
| /** Direct-to-field mapping, String -{@literal >} VARCHAR. */ |
| public String firstName; |
| |
| /** Direct-to-field mapping, String -{@literal >} VARCHAR. */ |
| public String lastName; |
| |
| /** One-to-one mapping (same class relationship), employee references its manager through a foreign key. */ |
| public ValueHolderInterface manager; |
| |
| /** One-to-many mapping (same class relationship), inverse relationship to manager, uses manager foreign key in the target. */ |
| public List<Employee> managedEmployees; |
| |
| /** One-to-many mapping, employee references its collection of phone numbers using a foreign key in the phone's table. */ |
| public List<PhoneNumber> phoneNumbers; |
| |
| /** Many-to-many mapping, employee references its projects through an intermediate join table. */ |
| public List<Project> projects; |
| |
| /** One-to-many mapping, employee references projects they lead. */ |
| public List<Project> projectsLed; |
| |
| /** Direct-collection mapping, employee stores its collection of plain Strings in an intermediate table. */ |
| public List<String> responsibilitiesList; |
| |
| /** One-to-many mapping, employee references its collection of children arranged by age. |
| * This relationship uses transparent indirection */ |
| public Vector<Child> children; |
| |
| int salary; |
| |
| public PropertyChangeListener listener; |
| |
| @Override |
| public PropertyChangeListener _persistence_getPropertyChangeListener() { |
| return listener; |
| } |
| |
| @Override |
| public void _persistence_setPropertyChangeListener(PropertyChangeListener listener) { |
| this.listener = listener; |
| } |
| |
| public void propertyChange(String propertyName, Object oldValue, Object newValue) { |
| if (listener != null) { |
| if (oldValue != newValue) { |
| listener.propertyChange(new PropertyChangeEvent(this, propertyName, oldValue, newValue)); |
| } |
| } |
| } |
| |
| public void collectionChange(String propertyName, Object oldValue, Object newValue, int changeType, boolean isChangeApplied) { |
| if (listener != null) { |
| listener.propertyChange(new CollectionChangeEvent(this, propertyName, oldValue, newValue, changeType, isChangeApplied)); |
| } |
| } |
| public Employee() { |
| this.firstName = ""; |
| this.lastName = ""; |
| this.manager = new ValueHolder(); |
| this.managedEmployees = new ArrayList(); |
| this.projects = new ArrayList(); |
| this.projectsLed = new ArrayList(); |
| this.responsibilitiesList = new ArrayList(); |
| this.phoneNumbers = new ArrayList(); |
| this.children = new Vector(); |
| } |
| |
| public Employee(String firstName, String lastName) { |
| this(); |
| this.firstName = firstName; |
| this.lastName = lastName; |
| } |
| |
| public Employee(String firstName) { |
| this(firstName, ""); |
| } |
| |
| /** |
| * For bi-directional relationships, it is important to maintain both sides of the relationship when changing it. |
| */ |
| public void addManagedEmployee(Employee employee) { |
| getManagedEmployees().add(employee); |
| employee.setManager(this); |
| } |
| |
| public void addManagedEmployee(int index, Employee employee) { |
| getManagedEmployees().add(index, employee); |
| employee.setManager(this); |
| } |
| |
| public Employee setManagedEmployee(int index, Employee employee) { |
| Employee removedEmp = getManagedEmployees().set(index, employee); |
| removedEmp.setManager(null); |
| employee.setManager(this); |
| return removedEmp; |
| } |
| |
| /** |
| * For bi-directional relationships, it is important to maintain both sides of the relationship when changing it. |
| */ |
| public void addPhoneNumber(PhoneNumber phoneNumber) { |
| getPhoneNumbers().add(phoneNumber); |
| } |
| |
| public void addPhoneNumber(int index, PhoneNumber phoneNumber) { |
| getPhoneNumbers().add(index, phoneNumber); |
| } |
| |
| public PhoneNumber setPhoneNumber(int index, PhoneNumber phoneNumber) { |
| return getPhoneNumbers().set(index, phoneNumber); |
| } |
| |
| public void addProject(Project project) { |
| getProjects().add(project); |
| project.getEmployees().add(this); |
| } |
| |
| public void addProject(int index, Project project) { |
| getProjects().add(index, project); |
| project.getEmployees().add(this); |
| } |
| |
| public Project setProject(int index, Project project) { |
| Project removedProject = getProjects().set(index, project); |
| removedProject.getEmployees().remove(this); |
| project.getEmployees().add(this); |
| return removedProject; |
| } |
| |
| public void addProjectLed(Project project) { |
| getProjectsLed().add(project); |
| project.setTeamLeader(this); |
| } |
| |
| public void addResponsibility(String responsibility) { |
| getResponsibilitiesList().add(responsibility); |
| } |
| |
| public void addResponsibility(int index, String responsibility) { |
| getResponsibilitiesList().add(index, responsibility); |
| } |
| |
| public String setResponsibility(int index, String responsibility) { |
| return getResponsibilitiesList().set(index, responsibility); |
| } |
| |
| public BigDecimal getId() { |
| return id; |
| } |
| |
| public String getFirstName() { |
| return firstName; |
| } |
| |
| public Vector getChildren(){ |
| return children; |
| } |
| |
| public String getLastName() { |
| return lastName; |
| } |
| |
| public int getSalary() { |
| return salary; |
| } |
| |
| public List<Employee> getManagedEmployees() { |
| return managedEmployees; |
| } |
| |
| /** |
| * Notice that the usage of value holders does not effect the public interface or usage of the class. |
| * The get/set methods must however be changed to wrap/unwrap the value holder. |
| */ |
| public Employee getManager() { |
| return (Employee)manager.getValue(); |
| } |
| |
| public List<PhoneNumber> getPhoneNumbers() { |
| return phoneNumbers; |
| } |
| |
| public List<Project> getProjects() { |
| return projects; |
| } |
| |
| public List<Project> getProjectsLed() { |
| return projectsLed; |
| } |
| |
| public List<String> getResponsibilitiesList() { |
| return responsibilitiesList; |
| } |
| |
| |
| /** |
| * For bi-directional relationships, it is important to maintain both sides of the relationship when changing it. |
| */ |
| public void removeManagedEmployee(Employee employee) { |
| getManagedEmployees().remove(employee); |
| employee.setManager(null); |
| } |
| |
| /** |
| * For bi-directional relationships, it is important to maintain both sides of the relationship when changing it. |
| */ |
| public Employee removeManagedEmployee(int i) { |
| Employee emp = getManagedEmployees().remove(i); |
| emp.setManager(null); |
| return emp; |
| } |
| |
| /** |
| * Remove the phone number. |
| * The phone number's owner must not be set to null as it is part of it primary key, |
| * and you can never change the primary key of an existing object. |
| * Only in independent relationships should you null out the back reference. |
| */ |
| public void removePhoneNumber(PhoneNumber phoneNumber) { |
| getPhoneNumbers().remove(phoneNumber); |
| } |
| |
| public PhoneNumber removePhoneNumber(int i) { |
| PhoneNumber phone = getPhoneNumbers().remove(i); |
| return phone; |
| } |
| |
| public void removeProject(Project project) { |
| getProjects().remove(project); |
| project.getEmployees().remove(this); |
| } |
| |
| public Project removeProject(int i) { |
| Project project = getProjects().remove(i); |
| project.getEmployees().remove(this); |
| return project; |
| } |
| |
| public void removeProjectLed(Project project) { |
| getProjectsLed().remove(project); |
| project.setTeamLeader(null); |
| } |
| |
| public void removeResponsibility(String responsibility) { |
| getResponsibilitiesList().remove(responsibility); |
| } |
| |
| public String removeResponsibility(int i) { |
| return getResponsibilitiesList().remove(i); |
| } |
| |
| public void setChildren(Vector<Child> children){ |
| propertyChange("children", this.children, children); |
| this.children = children; |
| } |
| |
| public void setFirstName(String firstName) { |
| propertyChange("firstName", getFirstName(), firstName); |
| this.firstName = firstName; |
| } |
| |
| public void setId(BigDecimal id) { |
| propertyChange("id", this.id, id); |
| this.id = id; |
| } |
| |
| public void setLastName(String lastName) { |
| propertyChange("lastName", this.lastName, lastName); |
| this.lastName = lastName; |
| } |
| |
| public void getSalary(int salary) { |
| propertyChange("salary", this.salary, salary); |
| this.salary = salary; |
| } |
| |
| public void setManagedEmployees(List<Employee> managedEmployees) { |
| propertyChange("managedEmployees", this.managedEmployees, managedEmployees); |
| this.managedEmployees = managedEmployees; |
| } |
| |
| /** |
| * For bi-directional relationships, it is important to maintain both sides of the relationship when changing it. |
| * Notice that the usage of value holders does not effect the public interface or usage of the class. |
| * The get/set methods must however be changed to wrap/unwrap the value holder. |
| */ |
| public void setManager(Employee manager) { |
| propertyChange("manager", this.manager.getValue(), manager); |
| this.manager.setValue(manager); |
| } |
| |
| public void setPhoneNumbers(List<PhoneNumber> phoneNumbers) { |
| propertyChange("phoneNumbers", this.phoneNumbers, phoneNumbers); |
| this.phoneNumbers = phoneNumbers; |
| } |
| |
| public void setProjects(List<Project> projects) { |
| propertyChange("projects", this.projects, projects); |
| this.projects = projects; |
| } |
| |
| public void setProjectsLed(List<Project> projectsLed) { |
| this.projectsLed = projectsLed; |
| } |
| |
| public void setResponsibilitiesList(List<String> responsibilitiesList) { |
| propertyChange("responsibilitiesList", this.responsibilitiesList, responsibilitiesList); |
| this.responsibilitiesList = responsibilitiesList; |
| } |
| |
| /** |
| * Print the first & last name |
| */ |
| public String toString() { |
| StringWriter writer = new StringWriter(); |
| |
| writer.write("Employee: "); |
| writer.write(getFirstName()); |
| writer.write(" "); |
| writer.write(getLastName()); |
| return writer.toString(); |
| } |
| } |